Retirement And Other Benefit Plans Retirement and Other Benefit Plans (Schdeule of Information on Expected Cash Flows) (Details)	12 Months Ended
Jan. 30, 2016 USD ($)
Funded-Pension Plan, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
2016 Employer contributions expected	$ 101,000
Expected Benefit Payments: 2016	11,440,000
Expected Benefit Payments: 2017	12,207,000
Expected Benefit Payments: 2018	12,995,000
Expected Benefit Payments: 2019	13,744,000
Expected Benefit Payments: 2020	14,461,000
Expected Benefit Payments: 2021 - 2025	81,154,000
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected Benefit Payments: 2016	14,950,000
Expected Benefit Payments: 2017	13,381,000
Expected Benefit Payments: 2018	14,773,000
Expected Benefit Payments: 2019	14,689,000
Expected Benefit Payments: 2020	16,672,000
Expected Benefit Payments: 2021 - 2025	83,430,000
SERP
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
2016 Employer contributions expected	3,510
Expected Benefit Payments: 2016	3,510,000
Expected Benefit Payments: 2017	1,174,000
Expected Benefit Payments: 2018	1,778,000
Expected Benefit Payments: 2019	945,000
Expected Benefit Payments: 2020	2,211,000
Expected Benefit Payments: 2021 - 2025	2,276,000
Other Postretirement Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
2016 Employer contributions expected	141,000
Expected Benefit Payments: 2016	141,000
Expected Benefit Payments: 2017	132,000
Expected Benefit Payments: 2018	123,000
Expected Benefit Payments: 2019	114,000
Expected Benefit Payments: 2020	106,000
Expected Benefit Payments: 2021 - 2025	$ 404,000

Amount of benefits from a defined benefit plan expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of benefits from a defined benefit plan expected to be paid in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of benefits from a defined benefit plan expected to be paid in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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